"Yo La Tengo playing Superchunk, Mission of Burma, and Pixies covers at David and Amber's wedding," Bangs wrote.

The 29-year-old Sisterhood of the Traveling Pants star and 48-year-old Arrested Development funnyman announced their engagement in August 2011 after dating for two years. (Last month, Tamblyn was one of the few close friends invited to Pants pal Blake Lively's wedding to Ryan Reynolds.)